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# Servers, Server Groups, and Clusters

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

[![logo hybrid active](/mulesoft/current/en-us/_/img/icons/hybrid-cloud.svg "Hybrid")Hybrid](deployment-strategies#hybrid-deployments)[ ![logo server active](/mulesoft/current/en-us/_/img/icons/server-cloud.svg "Anypoint Platform PCE")Private Cloud Edition](deployment-strategies#anypoint-platform-private-cloud-edition)

Use Runtime Manager to register and set up the properties of servers, server groups, and clusters
that reside on-premises. After setting up a server, you can add it to a server group or cluster.
Then, select the server, group, or cluster as the deployment target for your applications.

## Server Groups and Clusters

Both server groups and clusters run applications in multiple distributed nodes. When using a server
group, instances of the applications are completely isolated from each other. In a cluster
configuration, the nodes are aware of one another and share common information and synchronize
statuses.

All servers in a server group or clusters must have the same Mule runtime engine version and Runtime
Manager agent version.

## Alerts

You can set up email alerts to notify you when events occur on your servers, such as a server being
disconnected or a server being removed from a cluster. You can link alerts to a specific server or
to all of the servers in the server group or cluster.

## See Also

- [Servers](https://docs.mulesoft.com/runtime-manager/servers-about)

- [Server Groups](https://docs.mulesoft.com/runtime-manager/server-group-about)

- [Clusters](https://docs.mulesoft.com/runtime-manager/cluster-about)

- [Alerts](https://docs.mulesoft.com/runtime-manager/alerts-on-runtime-manager)

- [Deploy Applications to Your Servers](https://docs.mulesoft.com/runtime-manager/deploying-to-your-own-servers)

- [Manage Applications on Your Servers](https://docs.mulesoft.com/runtime-manager/managing-applications-on-your-own-servers)

- [Deployment and Server Scaling](https://docs.mulesoft.com/runtime-manager/runtime-dep-serv-limits)

- [Mule High Availability Clusters](https://docs.mulesoft.com/on-premises/latest/mule-high-availability-ha-clusters)

- [Anypoint Platform REST APIs](https://anypoint.mulesoft.com/exchange/portals/anypoint-platform/f1e97bc6-315a-4490-82a7-23abe036327a.anypoint-platform/arm-rest-services)